Steel flap door drainage pipe anti backflow stainless steel cast iron steel with multiple materials to choose from

QPG high lift winch hoist, steel cable pulley system, gear transmission, gate lifting and lowering

Stainless steel cleaning machine, rotary mechanical grille, high-efficiency solid-liquid separation equipment, dedicated for sewage treatment

Integrated cast iron round gate with strong corrosion resistance and long service life, specially designed for water conservancy projects

Fiberglass round flap door with excellent hydraulic performance, energy-saving and consumption reducing, one-way opening

Hydraulic self-control concrete flap gate with automatic water level control, sturdy and durable

Flood control safety of hydraulic lifting system for steel dam gate reinforced concrete structure

Electric motor drive open gear drum mechanical equipment accessories for winch type opening and closing machine